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添加 github.com/pion/dtls 代码

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bjdgyc
2021-05-21 19:03:00 +08:00
parent 54a0cb7928
commit 28b5119f50
380 changed files with 16870 additions and 0 deletions
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101
dtls-2.0.9/fragment_buffer_test.go Normal file
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package dtls
import (
"reflect"
"testing"
)
func TestFragmentBuffer(t *testing.T) {
for _, test := range []struct {
Name string
In [][]byte
Expected [][]byte
Epoch uint16
}{
{
Name: "Single Fragment",
In: [][]byte{
{0x16, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xfe, 0xff, 0x00},
},
Expected: [][]byte{
{0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xfe, 0xff, 0x00},
},
Epoch: 0,
},
{
Name: "Single Fragment Epoch 3",
In: [][]byte{
{0x16, 0xfe, 0xff, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xfe, 0xff, 0x00},
},
Expected: [][]byte{
{0x03, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xfe, 0xff, 0x00},
},
Epoch: 3,
},
{
Name: "Multiple Fragments",
In: [][]byte{
{0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x0b, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04},
{0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x0b, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x05, 0x05, 0x06, 0x07, 0x08, 0x09},
{0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x0b, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x05, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E},
},
Expected: [][]byte{
{0x0b, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e},
},
Epoch: 0,
},
{
Name: "Multiple Unordered Fragments",
In: [][]byte{
{0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x0b, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04},
{0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x0b, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x05, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E},
{0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x81, 0x0b, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x05, 0x05, 0x06, 0x07, 0x08, 0x09},
},
Expected: [][]byte{
{0x0b, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e},
},
Epoch: 0,
},
{
Name: "Multiple Handshakes in Signle Fragment",
In: [][]byte{
{
0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x30, /* record header */
0x03, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfe, 0xff, 0x01, 0x01, /*handshake msg 1*/
0x03, 0x00, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfe, 0xff, 0x01, 0x01, /*handshake msg 2*/
0x03, 0x00, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfe, 0xff, 0x01, 0x01, /*handshake msg 3*/
},
},
Expected: [][]byte{
{0x03, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfe, 0xff, 0x01, 0x01},
{0x03, 0x00, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfe, 0xff, 0x01, 0x01},
{0x03, 0x00, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfe, 0xff, 0x01, 0x01},
},
Epoch: 0,
},
} {
fragmentBuffer := newFragmentBuffer()
for _, frag := range test.In {
status, err := fragmentBuffer.push(frag)
if err != nil {
t.Error(err)
} else if !status {
t.Errorf("fragmentBuffer didn't accept fragments for '%s'", test.Name)
}
}
for _, expected := range test.Expected {
out, epoch := fragmentBuffer.pop()
if !reflect.DeepEqual(out, expected) {
t.Errorf("fragmentBuffer '%s' push/pop: got % 02x, want % 02x", test.Name, out, expected)
}
if epoch != test.Epoch {
t.Errorf("fragmentBuffer returned wrong epoch: got %d, want %d", epoch, test.Epoch)
}
}
if frag, _ := fragmentBuffer.pop(); frag != nil {
t.Errorf("fragmentBuffer popped single buffer multiple times for '%s'", test.Name)
}
}
}